Allen key Bolt Coupler

Allen key Bolt Coupler Specification

Height
15 mm - 50 mm Millimeter (mm)

Usage
For Coupling / Joining Two Bolts, Threaded Rods, Furniture Fittings

Material
Mild Steel / Stainless Steel 304 / High Carbon Steel EN8

Weight
25 gm - 120 gm Grams (g)

Color
Metallic Silver / Zinc White / Black Oxide

Application
ndustrial Machinery, Furniture Assembly, Construction, Shaft / Bolt Joining

Feature
High Tensile Strength, Corrosion Resistant, Allen Hex Socket Drive, Easy Installation, Heavy Duty

Operating System
Manual

Length
20 mm, 30 mm, 40 mm, 50 mm, 75 mm, 100 mm Millimeter (mm)

Load Capacity
220 Kilograms (kg)

Surface Treatment
Zinc Plated / Galvanized / Black Oxide Coated

Allen key Bolt Coupler Trade Information

Minimum Order Quantity
10 Pieces

Delivery Time
24 Hours

Allen key Bolt Coupler About

Allen Key Bolt Coupler

Allen Key Bolt Coupler is a mechanical rebar coupler designed to connect two reinforcement bars end-to-end without conventional overlapping or welding. It uses high-strength bolts tightened with an Allen key/hex key to securely grip and lock the reinforcement bars inside the coupler body.

The coupler provides a practical solution for reinforced concrete construction, structural columns, beams, foundations, precast structures, and seismic applications, particularly where reliable mechanical splicing is required.

Key Features

Allen-key/hex-socket bolt tightening system
High-strength mechanical connection
Eliminates conventional rebar lap lengths
No welding required
Fast and convenient installation
Suitable for new construction and repair/extension work
Compact design for restricted reinforcement areas
Provides consistent bar-to-bar connection when installed correctly
Available for different rebar diameters and project requirements

Technical Specifications

Parameter	Standard Range
Applicable Bar Sizes	10 mm to 40 mm (Rebar Diameter)
Material	Seamless High-Grade Mild Steel / Alloy Steel
Number of Bolts	4 to 10+ (varies based on bar diameter and load capacity)
Installation Tool	Standard Allen key / Hex bit power tool / Electric screwdriver
Tensile Load Capacity	Designed to exceed the ultimate tensile strength of standard reinforcing bar grades (e.g., Fe500 / Fe550D)

Applications
Allen Key Bolt Couplers are commonly used for connecting reinforcement bars in RCC buildings, bridges, industrial structures, foundations, columns, beams, retaining walls, tunnels, precast components, and infrastructure projects.

How It Works
The reinforcement bars are positioned inside the coupler and secured using the integrated bolts. The bolts are tightened with an Allen key to develop the required mechanical grip between the coupler and reinforcing bars.

Benefits